Carrier profile · USDOT 1189816 · Updated Aug 12, 2026
Gypsum Supply Company
DBA RYAN BUILDING MATERIALS
82 power unitsBYRON CENTER, MI50/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORY
Identity & Federal
The official FMCSA identity — legal name, DBA, addresses, contact, officers, and registration — alongside the daily-captured federal-record activity feed, monitored daily by Vektor.
Location
- Physical address
- 859 74TH ST SW, BYRON CENTER, MI, 49315
- Mailing address
- 2575 ALAMO DRI, LANSING, MI, 48911
- Operation
- Interstate
Contact
- Phone
- (616) 583-9300
- Fax
- (616) 583-9812
- Web domain
- gms.com
Registration
- Officers
- Andrew Horner · Robert Olson
- USDOT / docket
- 1189816
- First registered
- Nov 26, 2003
- Last MCS-150
- May 24, 2023 · 1,191,000 mi (2022)
- FMCSA safety rating
- Satisfactory · Nov 18, 2011
- Recordable crash rate
- 0.00
- D-U-N-S
- —
Fleet (self-reported · MCS-150)
MCS-150 filing history· biennial-update cadence
Per-filing MCS-150 history (each biennial update + the fleet/mileage it reported) is being captured from the daily federal feed and will appear here as we capture the full history.
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.